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  4. Recombinant Escherichia coli DNA helicase II (uvrD)

Recombinant Escherichia coli DNA helicase II (uvrD)

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  • 中文名稱(chēng)：
    大腸桿菌uvrD重組蛋白
  • 貨號(hào)：
    CSB-EP360936ENV
  • 規(guī)格：
    ￥2832
  • 圖片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP360936ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) uvrD.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP360936ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) uvrD.
  • 其他：

產(chǎn)品詳情

  • 純度：
    Greater than 85% as determined by SDS-PAGE.
  • 基因名：
    uvrD
  • Uniprot No.：
  • 別名：
    uvrD; mutU; pdeB; rad; recL; b3813; JW3786; DNA helicase II; EC 3.6.4.12
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長(zhǎng)度：
    Full Length
  • 來(lái)源：
    E.coli
  • 分子量：
    82.0 kDa
  • 表達(dá)區(qū)域：
    1-720aa
  • 氨基酸序列
    MDVSYLLDSLNDKQREAVAAPRSNLLVLAGAGSGKTRVLVHRIAWLMSVENCSPYSIMAVTFTNKAAAEMRHRIGQLMGTSQGGMWVGTFHGLAHRLLRAHHMDANLPQDFQILDSEDQLRLLKRLIKAMNLDEKQWPPRQAMWYINSQKDEGLRPHHIQSYGNPVEQTWQKVYQAYQEACDRAGLVDFAELLLRAHELWLNKPHILQHYRERFTNILVDEFQDTNNIQYAWIRLLAGDTGKVMIVGDDDQSIYGWRGAQVENIQRFLNDFPGAETIRLEQNYRSTSNILSAANALIENNNGRLGKKLWTDGADGEPISLYCAFNELDEARFVVNRIKTWQDNGGALAECAILYRSNAQSRVLEEALLQASMPYRIYGGMRFFERQEIKDALSYLRLIANRNDDAAFERVVNTPTRGIGDRTLDVVRQTSRDRQLTLWQACRELLQEKALAGRAASALQRFMELIDALAQETADMPLHVQTDRVIKDSGLRTMYEQEKGEKGQTRIENLEELVTATRQFSYNEEDEDLMPLQAFLSHAALEAGEGQADTWQDAVQLMTLHSAKGLEFPQVFIVGMEEGMFPSQMSLDEGGRLEEERRLAYVGVTRAMQKLTLTYAETRRLYGKEVYHRPSRFIGELPEECVEEVRLRATVSRPVSHQRMGTPMVENDSGYKLGQRVRHAKFGEGTIVNMEGSGEHSRLQVAFQGQGIKWLVAAYARLESV
    Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
    If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
  • 蛋白標(biāo)簽：
    Tag-Free
  • 產(chǎn)品提供形式：
    Liquid or Lyophilized powder
    Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
  • 緩沖液：
    Tris-based buffer,50% glycerol
  • 儲(chǔ)存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質(zhì)期：
    The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
    Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
  • 貨期：
    3-7 business days
  • 注意事項(xiàng)：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • 產(chǎn)品描述：

    The gene fragment corresponding to the 1-720aa of the E.coli uvrD protein was cloned into an expression vector. The expression vector was transformed into the E.coli for expression. The generated product was purified and separated to obtain the recombinant E.coli uvrD protein. Its purity is higher than 85% measured by SDS-PAGE. This recombinant uvrD protein showed an apparent molecular weight of about 90 kDa under SDS-PAGE condition.

    uvrD is a gene encoding a protein named DNA helicase II and belongs helicase family and UvrD subfamily. Helicases are a class of enzymes thought to be vital to all organisms. Their main function is to unpack an organism's genes.uvrD is a helicase with DNA-dependent ATPase activity and has a critical role in the processing of DNA-protein cross-links. It is involved in the post-incision events of nucleotide excision repair and methyl-directed mismatch repair, and probably also in repair of alkylated DNA.

  • Datasheet & COA：
    Please contact us to get it.

產(chǎn)品評(píng)價(jià)

靶點(diǎn)詳情

  • 功能：
    A helicase with DNA-dependent ATPase activity. Unwinds DNA duplexes with 3' to 5' polarity with respect to the bound strand. Initiates unwinding more efficiently from a nicked substrate than ds duplex DNA. Involved in the post-incision events of nucleotide excision repair and methyl-directed mismatch repair, and probably also in repair of alkylated DNA.
  • 基因功能參考文獻(xiàn)：
    1. Large domain movements upon UvrD dimerization and helicase activation has been reported. PMID: 29087333
    2. Results show that UvrD monomer translocation rate depends on the single-stranded DNA base composition, even in the absence of any predicted basepairing within the nucleic acid. Translocation is faster on single-stranded DNA-containing pyrimidines and slower on ssDNA-containing purines PMID: 28978435
    3. these data reveal that UvrD exhibits two distinct types of unwinding activity regulated by its stoichiometry. Furthermore, two UvrD conformational states, termed "closed" and "open," correlate with movement toward or away from the DNA fork. PMID: 25883359
    4. The unwinding processivity is increased in the UvrD303 mutant. PMID: 24798324
    5. UvrD binds RNA polymerase during transcription elongation, using its helicase/translocase activity, forces RNA polymerase to slide backward along DNA; UvrD exposes DNA lesions, allowing nucleotide excision repair enzymes to gain access to sites of damage PMID: 24402227
    6. These results suggest that UvrD pauses more frequently during translocation at low ATP but with little futile ATP hydrolysis. PMID: 22342931
    7. The anti-thymineless death role of UvrD. PMID: 21705756
    8. crystal structure of an apo form of UvrD in which the 2B sub-domain is in an "open" state that differs by 160 degrees rotation of the 2B sub-domain PMID: 21704638
    9. Although a 3'-ssDNA partial duplex provides a high-affinity site for a uvrD monomer, the study shows that a monomer also binds with specificity to DNA junctions possessing a 5'-ssDNA flanking region and can initiate translocation from this site. PMID: 20877334
    10. UvrD has a critical role in the processing of DNA-protein cross-links PMID: 20444702
    11. UvrD monomers translocate in discrete steps with an average kinetic step-size, m=3.68 nt step(-1), a translocation rate constant, kt=51.3 steps s(-1), with a processivity corresponding to an average translocation distance of 2400 nt before dissociation PMID: 15561144
    12. mutational analysis of a thermostable UvrD helicase PMID: 15955821
    13. acts by removing RecA or a RecA-made structure, allowing replication fork reversal PMID: 16135232
    14. UvrD helicase is essential for Tus removal during recombination-dependent replication restart from Ter sites. PMID: 17020578
    15. Role of UvrD on RecET-mediated illegitimate recombination. PMID: 17038801
    16. Our results suggest that macroscopic rate of UvrD monomer translocation is not limited by each ATPase cycle but by a slow step (pause) in each translocation cycle that occurs after four to five rapid 1 nt translocation steps. PMID: 17499041
    17. Results show that the anti-RecA action of UvrD at blocked forks reflects two different activities of this enzyme. PMID: 17641684
    18. The multiform patterns of unwinding bursts and the distributions of the off-times favour the mechanism that UvrD unwinds DNA as a dimer. PMID: 19008855

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  • 蛋白家族：
    Helicase family, UvrD subfamily
  • 數(shù)據(jù)庫(kù)鏈接：